A method for performing communication in a wireless communication system in includes establishing, by a network entity, a context of a user equipment (UE) in a network, receiving a message for registration request from the UE in a registered state, identifying that the UE is genuine by executing an authentication procedure with the UE, and in case that the UE is genuine, performing a deletion of the established context of the UE and a process of the registration request.
Legal claims defining the scope of protection, as filed with the USPTO.
2. The method of claim 1, wherein the first registered state is one of: an Evolved Packet System (EPS) Mobility Management (EMM)-registered state or a 5GMM-registered state.
3. The method of claim 1, wherein the context of the genuine UE includes at least one of: EMM context, EPS bearer contexts, or 5GMM context.
4. The method of claim 1, wherein executing the authentication procedure is performed when the message is a registration request message with a 5GS registration type IE set to “initial registration” or an attach request message.
6. The network entity of claim 5, wherein the first registered state is one of: an Evolved Packet System (EPS) Mobility Management (EMM)-registered state or a 5GMM-registered state.
7. The network entity of claim 5, wherein the context of the genuine UE includes at least one of: an EMM context, EPS bearer contexts, or 5GMM context.
8. The network entity of claim 5, wherein the processor is configured to execute the authentication procedure when the message is a registration request message with a 5GS registration type IE set to “initial registration” or an attach request message.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
April 9, 2020
September 13, 2022
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